UW Burke Herbarium species comparison

Leaves few to several, abruptly spreading or occasionally ascending, dispersed along stem and becoming reduced to bracts towards inflorescence;

blades folded slightly lengthwise, oblong to ovate to linear-lanceolate, 3-32 mm long and 1-4.5 cm broad.

Leaves 2 or 3, basal, sheathing, ovate to elliptic-lanceolate, 2.5-6 cm. long and about 1/3 as broad, occasionally with 1 or 2 lanceolate bracts up to 2 cm. long on the scape.

Inflorescence sparsely- or densely-flowered spike;

flowers resupinate, light yellowish green to light green, not showy;

lateral sepals spreading to curving backward;

petals ovate-falcate to lance-falcate, margins entire;

labellum bent downward or extending forward, linear to lanceolate, basal thickening absent, 3-9 mm long and 1-3 mm broad or less;

spur distinctly club-shaped, capitate inflated or pouch-shaped, 2-6 mm, apex obtuse;

rostellum lobes parallel to convergent, directed downward, minute, rounded, not easily seen;

pollinaria 2, not curved;

pollinia 2, remaining within anther sacs;

viscidia free, orbiculate;

stigma entire;

ovary slender to stout, generally 5-10 mm.

Inflorescence a crowded spike, the 5-18 greenish flowers sessile, the lower ones exceeded by lanceolate, greenish bracts up to 12 mm. long;

sepals about 2 mm. long, oblong, 1-nerved, the upper one slightly hooded;

petals strongly 3-nerved, slightly shorter and broader than the sepals;

lip 1.5-2 mm. long and broad, concave, erect;

spur saccate, about 1 mm. long, slightly curved;

stamens and style fused to form a stout column about 1 mm. long.

Capsules ellipsoid to cylindric.